package com.iyunsir.lesson04;

import javax.swing.*;
import java.awt.*;


public class IconDemo extends JFrame implements Icon {
    private int width;
    private int height;

    public IconDemo(){} //无参构造

    public IconDemo(int width,int height){
        this.width = width;
        this.height = height;

    }

    public void init(){
        IconDemo iconDemo = new IconDemo(15,15);
        // 图标放在标签,也可以放在按钮上

        JLabel label = new JLabel("icontest",iconDemo,SwingConstants.CENTER);

        Container container = getContentPane();
        container.add(label);

        this.setVisible(true);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

    }

    public static void main(String[] args) {
        new IconDemo().init();
    }



    @Override
    public void paintIcon(Component c, Graphics g, int x, int y) {
        g.fillOval(x,y,width,height);

    }

    @Override
    public int getIconWidth() {
        return this.width;
    }

    @Override
    public int getIconHeight() {
        return this.height;
    }
}
